First of all, the words that have the most variation in meaning and the most collisions with other words are the common ones. In the Oxford English Dictionary, the three words with the longest entries (i.e. largest number of meanings) are Ã¢â‚¬Å“set,Ã¢â‚¬Â Ã¢â‚¬Å“run,Ã¢â‚¬Â and Ã¢â‚¬Å“get.Ã¢â‚¬Â